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最佳答案：My computer is being used now.结构:S+be+being+done
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最佳答案：进行时 am is are +doing被动 am is are +been+done
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最佳答案：现在进行时的被动语态定义：现在进行时的被动语态表示此时此刻某事正在被做.例如：The sports meeting is being held in our s
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最佳答案：1.They are playing basketball now.现在他们正在打篮球.2.Listen!She is singing an English s
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最佳答案：A new railway is being built in this city. 这个城市正在修建一条新的铁路.（现在进行时）The new railway
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最佳答案：这两个词好像没有需要辨析的地方.进行时就加ing;hold的被动语态就用过去分词heldhave没有被动的用发.
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最佳答案：1.一般现在时:do2.现在进行时:be doing3.现在完成时:have done4.现在完成进行时:have been doing5.一般过去时:done
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最佳答案：被动语态是be done 现在进行时是be doing,be的doing形式即being,所以是being down
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最佳答案：will be donehave been donein being done望采纳!
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最佳答案：I'm looking for my book.She was reading books when I got home.I will see you in